Simplify negative 3 over 2 ÷ 9 over 6.

How do i find the missing angle measure in a polygon

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.